package com.javafour;

public class Demo1 {
    public static void main(String[] args) {
        int[] ints = new int[4];
        String name="liUi";
        String name1= new String(" aT TT ");

        boolean dddd = name.equalsIgnoreCase("LISI");
        int i = name1.lastIndexOf(97,1);
        //String str =name1.substring(2,3);
        System.out.println(name1);
        String trim = name1.trim();
        System.out.println(trim);



        //int length = name.length();
        /*System.out.println(ints);
        System.out.println(name);*/
        //System.out.println(dddd);
        /*String ddddd = name.concat("ddddd");
        System.out.println(ddddd);*/

        String str="CC";
        str+="BBB";
        System.out.println(str);

        StringBuffer stringBuffer =new StringBuffer("d");
        stringBuffer.append("bbbb");
        System.out.println(stringBuffer.toString());

        StringBuilder builder = new StringBuilder("d");
        builder.append("dd");
    }
}
